https://devzone.nordicsemi.com/f/nordic-q-a/33165/s132-maximum-data-throughputWe have a medical products need to evaluate the maxinum transmission data rate of BLE .i am using is the latest nRF5_SDK_15.0.0_a53641a. i find to using the ios lightbule app transmiss one packet of data length have 185 bytes , i do not know the twoen-USTelligent Community 13Wed, 11 Apr 2018 13:20:43 GMThttps://devzone.nordicsemi.com/thread/127847?ContentTypeID=1Wed, 11 Apr 2018 13:20:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1104e955-7f45-49b1-b1a7-6fb9261df083Stian R&#248;ed Hafskjold<p>Please also check out this link: <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.sds/dita/softdevices/s130/ble_data_throughput/ble_data_throughput.html">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.sds/dita/softdevices/s130/ble_data_throughput/ble_data_throughput.html</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/127545?ContentTypeID=1Tue, 10 Apr 2018 07:49:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:203ea213-9b91-46ff-b982-d84c393db086Stian R&#248;ed Hafskjold<p>Hi, you should check out the ble_app_mtu_throughput example in the SDK: <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.0.0/ble_sdk_app_att_mtu.html">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.0.0/ble_sdk_app_att_mtu.html</a></p> <p>Maximum BLE throughput is a bit complicated and is a combination of:</p> <ul> <li>The physical data rate in bits per second,</li> <li>how many bytes you are allowed to send in one packet,</li> <li>how many packets you can send per connection interval</li> <li>and the connection interval.</li> </ul> <p>All the chosen parameters also have to be supported by both the central and peripheral.</p> <p>For more details I will recommend to read this article: <a href="https://www.novelbits.io/bluetooth-5-speed-maximum-throughput/">https://www.novelbits.io/bluetooth-5-speed-maximum-throughput/</a></p><div style="clear:both;"></div>